Home / 990,259.84-1,485,951.54-534,845.44

Finding the Fourth Proportional to 990,259.84, 1,485,951.54 and 534,845.44

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Solution

The fourth proportional to 990,259.84, 1,485,951.54 and 534,845.44 is: 802,571.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,259.84 : 1,485,951.54 = 534,845.44 : x
  2. Step 2: Convert to fraction form
    990,259.84/1,485,951.54 = 534,845.44/x
  3. Step 3: Cross multiply
    990,259.84x = 1,485,951.54 × 534,845.44
  4. Step 4: Simplify right side
    990,259.84x = 794,754,405,229.98
  5. Step 5: Solve for x
    x = 794,754,405,229.98/990,259.84
  6. Step 6: Final answer
    x = 802,571.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.